A barrier function for the regularity of the free boundary in div(a(x) grad(u) )= -(h(x) gamma)_x with h'(x) < 0

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Date
2021
Author
Challal, Samia

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Abstract
A barrier function is compared to the solution of a class of two dimensional problems near a free boundary point. A regularity of the free boundary is established.
Citation
"A barrier function for the regularity of the free boundary in div(a(x) grad(u) )= -(h(x) gamma)_x with h'(x) < 0." Int. J. Math. And App., 9(4)(2021), 35-43. http://ijmaa.in/v9n4/4.html
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http://hdl.handle.net/10315/38567
http://ijmaa.in/v9n4/4.html
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